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Finding the Fourth Proportional to 366,894.51, 550,396.45 and 130,217.37

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Solution

The fourth proportional to 366,894.51, 550,396.45 and 130,217.37 is: 195,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,894.51 : 550,396.45 = 130,217.37 : x
  2. Step 2: Convert to fraction form
    366,894.51/550,396.45 = 130,217.37/x
  3. Step 3: Cross multiply
    366,894.51x = 550,396.45 × 130,217.37
  4. Step 4: Simplify right side
    366,894.51x = 71,671,177,525.25
  5. Step 5: Solve for x
    x = 71,671,177,525.25/366,894.51
  6. Step 6: Final answer
    x = 195,345.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.